I see I’ve missed the boat picking up the Hanasco Sonic Electric toothbrushes on Amazon. Since I’m buying for two males, the pink won’t work and that is all that is left in stock. Is there anywhere ...

Best of both worlds toothbrush: I have written about high-frequency vibration toothbrushes for several years now, and it has been a popular topic with readers. These toothbrushes use micro-vibrations ...

StackCommerce is Yahoo's partner in bringing deals and unique finds to our readers. Yahoo earns a share of revenue from items purchased via our partner. AquaSonic toothbrush + extra brush heads + ...

Q. When I play a 1080p Blu-ray on my Panasonic 4K Blu-ray player, my TV says it is receiving a 4K signal. It says the same thing when I play a 4K Blu-ray. Why does it say 4K with a regular Blu-ray?

The Hum by Colgate has an excellent smart app that guides your brushing. Unlike many other electric toothbrushes, the Hum vibrates rather than rotates, providing a different, more gentle experience.

Q. I read your review of the TLOVII Sonic Electric Toothbrush on sale for $29.99 and went straight to Amazon to buy one. It shows “Currently Unavailable.” Do you know if they will be available again?

Q: I bought the TLOVII toothbrush and like it a lot, but I lost the magnetic USB charging cord. I cannot find a compatible replacement for sale anywhere. Can you help? — S.C., Cape May, New Jersey ...